fails:Time#<=> returns 1 if the first argument is a point in time after the second argument
fails:Time#<=> returns 0 if time is the same as other
fails:Time#<=> returns -1 if the first argument is a point in time before the second argument
fails:Time#<=> returns 1 if the first argument is a fraction of a microsecond after the second argument
fails:Time#<=> returns 0 if time is the same as other, including fractional microseconds
fails:Time#<=> returns -1 if the first argument is a fraction of a microsecond before the second argument
